Add comments and cleanup
Add comments and cleanup

seibert/numba,stefanseefeld/numba,stefanseefeld/numba,stefanseefeld/numba,pitrou/numba,sklam/numba,sklam/numba,cpcloud/numba,numba/numba,gmarkall/numba,numba/numba,pitrou/numba,IntelLabs/numba,cpcloud/numba,IntelLabs/numba,cpcloud/numba,jriehl/numba,stuartarchibald/numba,pitrou/numba,IntelLabs/numba,seibert/numba,cpcloud/numba,jriehl/numba,pombredanne/numba,stuartarchibald/numba,numba/numba,seibert/numba,pombredanne/numba,gmarkall/numba,stonebig/numba,cpcloud/numba,seibert/numba,pitrou/numba,gmarkall/numba,IntelLabs/numba,stonebig/numba,jriehl/numba,seibert/numba,gmarkall/numba,stuartarchibald/numba,numba/numba,jriehl/numba,sklam/numba,stonebig/numba,gmarkall/numba,stonebig/numba,jriehl/numba,pombredanne/numba,stuartarchibald/numba,pombredanne/numba,sklam/numba,numba/numba,pombredanne/numba,pitrou/numba,sklam/numba,stonebig/numba,stuartarchibald/numba,stefanseefeld/numba,stefanseefeld/numba,IntelLabs/numba